| Jumar | |
| Fullname: | Jumar José da Costa Júnior |
| Birth Date: | 1986 4, mf=yes |
| Birth Place: | Bandeirantes, Brazil |
| Position: | Defensive midfielder Full back |
| Years1: | 2004–2006 |
| Caps1: | 46 |
| Goals1: | 0 |
| Years2: | 2007–2008 |
| Caps2: | 35 |
| Goals2: | 1 |
| Years3: | 2008–2009 |
| Caps3: | 62 |
| Goals3: | 1 |
| Years4: | 2010–2011 |
| Caps4: | 57 |
| Goals4: | 1 |
| Years5: | 2012–2014 |
| Caps5: | 19 |
| Goals5: | 1 |
| Years6: | 2015–2017 |
| Caps6: | 16 |
| Goals6: | 1 |
| Pcupdate: | September 18, 2018 |
Jumar José da Costa Júnior (born April 28, 1986), commonly known as Jumar, is a Brazilian former footballer who played as a midfielder. He was born in Bandeirantes, Paraná.